Faith in the two party system has eroded over the years. Some say there should be more parties and independent candidates. But two Yale professors say more parties are part of the problem. They say efforts should be put to restoring faith in the established parties to help heal our democracy. The Full Story speaks with one of the authors, as well as a former independent candidate and a representative of a third party. Our guests: Ian Shapiro, Ph.D., Sterling Professor of Political Science, Yale